Home / 78,758,078.25-108,686,167.69-43,475,903.85

Finding the Fourth Proportional to 78,758,078.25, 108,686,167.69 and 43,475,903.85

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Solution

The fourth proportional to 78,758,078.25, 108,686,167.69 and 43,475,903.85 is: 59,996,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,758,078.25 : 108,686,167.69 = 43,475,903.85 : x
  2. Step 2: Convert to fraction form
    78,758,078.25/108,686,167.69 = 43,475,903.85/x
  3. Step 3: Cross multiply
    78,758,078.25x = 108,686,167.69 × 43,475,903.85
  4. Step 4: Simplify right side
    78,758,078.25x = 4,725,229,376,695,600
  5. Step 5: Solve for x
    x = 4,725,229,376,695,600/78,758,078.25
  6. Step 6: Final answer
    x = 59,996,758.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.